854633-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854633-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,6,3 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 854633-84:
(8*8)+(7*5)+(6*4)+(5*6)+(4*3)+(3*3)+(2*8)+(1*4)=194
194 % 10 = 4
So 854633-84-4 is a valid CAS Registry Number.